So first, you have to understand your budget. Because different companies work with different budget. Second, make the design your top priority because most people are visuals. They need to see a good picture. Third, check the portfolio and feedback. If the guys can do what you want and they work honestly - you can hire them. Well, it’s no rocket science, you know. Here, check some handy links below: https://innowise-group.com/technologies/java https://hqsoftwarelab.com/technologies/java-development-services https://belitsoft.com/java-development-services https://www.ayokasystems.com/research-and-insights/technologies/java-software-development-company/ https://intetics.com/portfolio/technologies/java

Try to see some other forums maybe it will help.

What exactly databases do you want?

There is no best language, your program should be taken into account.

You can use AJAX because it sometimes supports other browsers.

Your variable outer hasn’t been identified.

Use your own data to ru the timings.

Did you try another browser?

I changed the way how interface work and reloaded. It’s working.

It’s some functions that are easier to use than JavaScript

Did you use React Web Api app before?